Speaker support stand



FIG. 1 is a top, front and right side perspective view of a speaker support stand showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a right side elevational view thereof, the left side being a mirror image. 

The ornamental design for a speaker support stand, as shown and described. 